抱歉上次没有去火锅会阿... 其实我们投稿延到1/19(美国时间) 所以那天晚上帮学姊做完实验又继续赶投稿的东西 终於给他投出去啦~~呼!! 因为时间紧迫所以有些我发现的东西还没办法写出来 或是有些肉眼看到的现象还在想办法量化当中 另外因为个人差异其实蛮值得探讨的 但统计与文章都不太能往个人动作来看 所以如果想要知道可以再问我 期末报告是把全文整理出来 这是我的第一篇投稿文章 应该有很大的进步空间 以下是我投的摘要你们可以参考看看也顺便给我一些意见或感想 例如你认为什麽是影响前空翻动作实施的关键或自己在练习时会遇到的问题等等 甚至对我写的东西的质疑和建议喔!! Tittle: The effect of experience on performing the forward tucked salto under different task constraints Abstract: In gymnastics, technique, posture, and aesthetic execution of the repertoire, as well as the stability of landing, are the key factors evaluated by the judges. When performing the forward tucked salto (FTS), to fold the body completely, and to generate sufficient movement height for a longer aerial time (AT) facilitate the gymnasts to execute better landing. The purpose of this study was to investigate how gymnasts of different levels modulate their movement while executing the FTS from different heights. Six elite and 6 club-member gymnasts were asked to perform 2 sets of 10 single FTSs, from the 90 cm platform and with a run-up on ground. Reflected markers were attached to their bodies on the temple, shoulder, elbow, wrist, chest, hip, knee, and ankle position. A 200 fps high speed camera was used to capture the sagittal view of their performance, and the markers were digitized for data analysis. The results showed that in the 90-cm height condition, the elite group had more successful trials (the clean landing); revealed longer AT, and generated higher hip position, ps<.05. Moreover, they revealed the smaller minimum hip angle after taking off in both conditions, p<.05. Examination of the phase plane of hip and shoulder joints, the elite group demonstrating negative shoulder angle when extending their body and then the decreasing hip angle to dampen the impact about 50ms before landing. In conclusion, experienced gymnasts could elevate their hip higher and tuck their body tighter after taking off, which increased the AT of the movement; besides, they extend their bodies with the backward swinging arms and folded bodies earlier before landing so as to execute the FTS successfully. These findings could apply to training program for better performance, and provided the evidence of information affordance that experience of the organism plays an important role in action (Gibson, 1979). Key Words: gymnastics, forward tucked salto, hip angle, phase plane, affordance. --

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